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Chemically Resistant adhesives

Epoxy Technology EPO-TEK® E2101 Electrically Conductive, Silver Epoxy
Categories: Polymer; Adhesive; Thermoset; Epoxy; Epoxy, Electrically Conductive

Material Notes: Product Description: EPO-TEK® E2101 is a two component, thixotropic, electrically conductive adhesive. It may be used for circuit assembly and semiconductor applications.

Advantages & Application Notes:

  • Thixotropic paste allows for application by stencil or screen printing. SMD caps and resistors as small as the 0402 format have been mounted to PCB without silver bridging between the 2 electrodes.
  • Capable of adhering to PCB metals like Au, Cu, OSP / Cu, Ag, Ag-Pd.
  • Used for making electrical connections to PZT electrodes in ink-jetting or medical / ultrasound applications
  • Suitable for low temperature flip chip packaging. “Bumps” of E2101 may be used instead of Sn/Pb solder balls.
  • Suited for high speed automated syringe dispensing techniques.
  • Low flow, low resin bleedout on gold surfaces.
  • Passes NASA low outgassing standard ASTM E595 with proper cure
  • JEDEC Level III and II semiconductor packaging material

    Information Provided by Epoxy Technology

Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 2.35 g/cc2.35 g/ccPart A
 4.58 g/cc4.58 g/ccPart B
Particle Size <= 20 µm<= 20 µm
Viscosity 15000 - 18000 cP
@Temperature 23.0 °C
15000 - 18000 cP
@Temperature 73.4 °F
20 rpm
 
Chemical PropertiesMetricEnglishComments
Ionic Impurities - Na (Sodium) 10 ppm10 ppm
Ionic Impurities - K (Potassium) 1.0 ppm1.0 ppm
Ionic Impurities - Cl (Chloride) 27 ppm27 ppm
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 6868
Tensile Modulus 7.26 GPa1050 ksiStorage
Shear Strength 6.56 MPa952 psiLap
 >= 11.7 MPa>= 1700 psiDie
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity <= 0.00050 ohm-cm<= 0.00050 ohm-cm
 
Thermal PropertiesMetricEnglishComments
CTE, linear 48.0 µm/m-°C26.7 µin/in-°FBelow Tg
 192 µm/m-°C107 µin/in-°FAbove Tg
Thermal Conductivity 2.50 W/m-K17.4 BTU-in/hr-ft²-°F
Maximum Service Temperature, Air 200 °C392 °FContinuous
 300 °C572 °FIntermittent
Minimum Service Temperature, Air -55.0 °C-67.0 °FContinuous
 -55.0 °C-67.0 °FIntermittent
Glass Transition Temp, Tg >= 90.0 °C>= 194 °FDynamic Cure 20—200°C /ISO 25 Min; Ramp -10—200°C @ 20°C/Min
Decomposition Temperature 401 °C754 °FDegradation Temperature; TGA
 
Processing PropertiesMetricEnglishComments
Cure Time 15.0 min
@Temperature 150 °C
0.250 hour
@Temperature 302 °F
Minimum Bond Line
Pot Life 89 min89 min
Shelf Life 12.0 Month
@Temperature 25.0 °C
12.0 Month
@Temperature 77.0 °F
 
Descriptive Properties
ColorSilverPart A
 SilverPart B
ConsistencySmooth thixotropic paste
Ionic Impurities NH480 ppm
Mix Ratio by Weight3:1
Number of ComponentsTwo
Thixotropic Index3.9
Weight Loss0.37%200°C
 0.61%250°C
 0.9%300°C

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PPOXYT008 / 141046

Chemically Resistant adhesives

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